The stroke of the actuator represents the displacement generated by the piston of the actuator from fully open to fully closed in the oil cylinder. One of the main purposes of displacement sensor HTD-400-6 is to measure the stroke of turbine oil motor, which is an important part of the electro-hydraulic Servomechanism of the turbine digital electro-hydraulic control system.

The core of the displacement sensor LVDT HTD-400-6 is connected to the piston of the steam turbine actuator, which is a real-time feedback system for the stroke of the actuator. Its function is to convert the displacement of the actuator piston (which also represents the opening of the regulating valve) into a voltage signal, which is fed back to the servo amplifier and compared with the signal sent by the computer.

After the difference is amplified by the servo amplifier power and converted into a current value, it drives the electro-hydraulic servo valve, actuator, and even the control valve. When the opening of the control valve meets the requirements of the computer input signal, the input deviation of the servo amplifier is zero, so the control valve is in a new stable position.

Yoyik offers various kinds of spare parts for power plants, such as:
LVDT valve GV HTD-250-6
Displacement Transducer TD-1 200MM
lvdt sensor price 191.36.09 (1).03
inductive displacement sensor HL-6-150-15
Position feedback LVDT TDZ-1E-23
potentiometer for linear and angular position TD-1 0-25mm
lvdt instrument TD-1 0-400
lvdt system K156.33.31.04G02
linear and rotational sensors 6000TDG-15-01-01 0-300mm
Linear transducer TDZ-1E-024 0-270
resistive linear position sensor DET1000A
Sensor Position LVDT Spray HP bypass TDZ-1-11
potentiometer for linear and angular position HL-6-250-15
LVDT adjustment valve HP BFPT TDZ-1E-42